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Author Thread: Lifestyle 35 subwoofer trouble (PS48) shortcircuit.
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kristoofer
New member
Username: Hulta

Lund
Sweden

Post Number: 2
Registered: Aug-09
Posted on Thursday, August 20, 2009 - 11:58 am:    Edit Post
Hi everybody!
I have a great problem.
I hook up a Lifestyle 35 to a step-down converter @ 750W (both the console and the PS48). When I turned the power on it came i weird noise from the woofer and speakers. Then it came a little bit of smoke from the woofer. I took apart the module assy at it says on the label with part no: 256806-1319. On the big circuit board where there five places that it looked like melted clear plastic, almost like hardened glue on the round transistors and one thing was burnt that looked like a small fuse (little white component that is about 5mmX1,5mm that sits on its own on the board).
Is it possible to buy only the circuit board from bose or do I need the complete module assy with part no: 256806-1319?
Is it possible for me to get an module that is 240V instead of 120V from Bose that fits my PS48?
My step-down transformer output is 110V and it says 120V on the bass module, does this make any difference?
And at last if anyone knows what the price is for either a curcuit board, new module assy part no:256806-1319 120V / 240V or Service on the module from Bose?
Thank you very much.
Sinc. Kristoffer
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kristoofer
New member
Username: Hulta

Lund
Sweden

Post Number: 4
Registered: Aug-09
Posted on Wednesday, September 09, 2009 - 02:52 am:    Edit Post
Hi Mark!
Thank you very much for your help with this.
The prints you sent me helped me a lot.
I have taken a look at the blueprint for the PS48 Bas module.
Do you know what difference it is on the parts: 277096-631F and 289513-232F?
Do you know if it is often people replace their power supplies on these kind of models?

Thanks.
Sinc Hulta
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